1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __PSTORE_INTERNAL_H__ 3 #define __PSTORE_INTERNAL_H__ 4 5 #include <linux/types.h> 6 #include <linux/time.h> 7 #include <linux/pstore.h> 8 9 #define PSTORE_DEFAULT_KMSG_BYTES 10240 10 extern unsigned long kmsg_bytes; 11 12 #ifdef CONFIG_PSTORE_FTRACE 13 extern void pstore_register_ftrace(void); 14 extern void pstore_unregister_ftrace(void); 15 #else 16 static inline void pstore_register_ftrace(void) {} 17 static inline void pstore_unregister_ftrace(void) {} 18 #endif 19 20 #ifdef CONFIG_PSTORE_PMSG 21 extern void pstore_register_pmsg(void); 22 extern void pstore_unregister_pmsg(void); 23 #else 24 static inline void pstore_register_pmsg(void) {} 25 static inline void pstore_unregister_pmsg(void) {} 26 #endif 27 28 extern struct pstore_info *psinfo; 29 30 extern void pstore_set_kmsg_bytes(int); 31 extern void pstore_get_records(int); 32 extern void pstore_get_backend_records(struct pstore_info *psi, 33 struct dentry *root, int quiet); 34 extern int pstore_mkfile(struct dentry *root, 35 struct pstore_record *record); 36 extern bool pstore_is_mounted(void); 37 extern void pstore_record_init(struct pstore_record *record, 38 struct pstore_info *psi); 39 40 /* Called during module_init() */ 41 extern void __init pstore_choose_compression(void); 42 43 #endif 44